WO2003095561A1 - Materiau en feuille de protection contre les rayons thermiques et additif liquide utilise pour produire celui-ci - Google Patents
Materiau en feuille de protection contre les rayons thermiques et additif liquide utilise pour produire celui-ci Download PDFInfo
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- WO2003095561A1 WO2003095561A1 PCT/JP2003/005673 JP0305673W WO03095561A1 WO 2003095561 A1 WO2003095561 A1 WO 2003095561A1 JP 0305673 W JP0305673 W JP 0305673W WO 03095561 A1 WO03095561 A1 WO 03095561A1
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- fine particles
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/38—Boron-containing compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/0427—Coating with only one layer of a composition containing a polymer binder
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/043—Improving the adhesiveness of the coatings per se, e.g. forming primers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/046—Forming abrasion-resistant coatings; Forming surface-hardening coatings
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
- Y10T428/256—Heavy metal or aluminum or compound thereof
Definitions
- the present invention is used for openings such as roofs and walls of buildings, arcades, ceiling domes, and windows of vehicles, and has good visible light transmittance, excellent heat ray shielding properties, and shock resistance and water resistance. It relates to an excellent heat ray shielding resin sheet material. Background art
- openings such as windows of various buildings and vehicles
- openings are made of a transparent glass plate or a resin plate in order to take in sunlight.
- the sun's rays include ultraviolet rays and infrared rays in addition to visible rays.
- near-infrared rays of 800 to 250 nm are called heat rays. It causes the temperature to rise.
- heat-shielding materials have been studied as window materials for various buildings and vehicles, which shield the heat rays while sufficiently absorbing visible light to maintain the brightness and simultaneously suppress the rise in indoor temperature.
- Various means for that purpose have been proposed.
- Japanese Patent Application Laid-Open No. 61-2777437 discloses that a heat-reflection film formed by depositing metal on a transparent resin film is bonded to a transparent substrate such as a glass plate, an acrylic plate, or a polycarbonate plate.
- a transparent substrate such as a glass plate, an acrylic plate, or a polycarbonate plate.
- the heat reflection film itself is not only very expensive, but also requires a complicated process such as a bonding process, resulting in a very high cost.
- the adhesion between the transparent substrate and the heat reflection film is not good, There has been a problem that the heat reflection film is peeled off due to the formation.
- a number of heat-shielding plates have also been proposed, in which a metal or metal oxide is directly deposited on the surface of a transparent substrate.However, a vapor deposition device that requires high vacuum and precise atmosphere control must be used. The mass production was poor, the versatility was poor, and the heat shield plate was very expensive.
- Japanese Patent Application Publication No. 00-0-9660 3.4 and Japanese Patent Application Laid-Open No. 2000-1696965 disclose hexaboride fine particles alone or hexaboride fine particles as a heat ray shielding component.
- No. 0 proposes a heat ray shielding plate formed by kneading a transparent resin such as an acryl resin or a polycarbonate resin with titanium oxide coated with titanium oxide as heat ray reflection particles.
- the present invention can be manufactured by a simple method without using a complicated manufacturing method or a high-cost physical film forming method, and provides an excellent visible light. It is an object of the present invention to provide a heat ray shielding material that can exhibit high heat ray shielding properties while maintaining transparency and is excellent in strength, such as impact resistance. Disclosure of the invention
- the present inventors have focused on hexaboride fine particles having a large amount of free electrons as a component having a heat ray shielding effect, and used these fine particles as transparent components such as polycarbonate resin and acryl resin.
- a heat ray shielding resin sheet material that has a maximum transmissivity in the visible light region, expresses strong absorption in the near infrared region and has a minimal transmissivity, and completed the present invention. Things.
- the heat ray shielding resin sheet material provided by the present invention is obtained by dispersing hexaboride fine particles as a heat ray shielding component in a transparent resin base material, or by mixing hexaboride fine particles with ITO fine particles and / or ATO fine particles. Are dispersed.
- the hexaboride is L a B 6 , C e B 6 , P r B 6 , N d B 6 , G d B 6 , T b B 6, D y B 6, H o B 6, YB 6, S mB 6, E u B have E r B 6, TmB 6.
- Y b B 6, L u B 6, S r B 6 and C a B Preferably, at least one selected from the group of 6 is used.
- the average particle diameter of the hexaboride fine particles, the ITO fine particles, and the ATO fine particles is preferably 200 nm or less.
- the content of the heat ray shielding component is preferably 0.05 to 19 g per lm 2 of the heat ray shielding resin sheet material.
- the ratio of the hexaboride fine particles to the IT fine particles and the NO or AT fine particles is in the range of 0.1: 9.9 to 90:10 by weight ratio. It is preferable that Further, it is preferable that the resin substrate is a polycarbonate resin or an acryl resin.
- a resin film containing an ultraviolet absorbent may be formed on at least one surface of the heat ray shielding resin sheet material.
- the present invention also provides an additive liquid used for producing the heat ray shielding resin sheet material.
- the additive liquid for producing a heat ray shielding resin sheet material of the present invention is an additive liquid which is mixed with a resin or a resin raw material to form a composition for molding a heat ray shielding resin sheet material. Or fine particles of hexaboride and fine particles of IT ⁇ and fine particles of Z or AT ⁇ .
- the hexaboride may be L a B 6 , C e B 6 , P r B 6 , N d B 6 , G d B 6 , T b B 6, D y B 6, H o B have YB 6, SmB 6, the E u B 6, E r B 6, TmB 6. Y b B 6, L u B 6, S r B 6 and C a B 6 It is preferably at least one selected from the group.
- the hexaboride fine particles, the ITO fine particles, and the ATO fine particles each have an average particle diameter of 200 nm or less. Is preferred. Further, the ratio between the hexaboride fine particles and the ITO fine particles and / or the ATO fine particles is preferably in the range of 0.1: 9.9-9 to 90:10 by weight.
- the heat ray-shielding resin sheet material of the present invention is obtained by dispersing hexaboride fine particles alone as a heat ray-shielding component in a transparent resin base material such as polycarbonate resin acryl resin, or together with hexaboride fine particles.
- ITO fine particles and It is a combination of AT ⁇ fine particles and dispersed, and can be formed into any shape such as a plate, film, or sphere depending on the application.
- the method for producing the heat ray shielding resin sheet material can be arbitrarily selected as long as the method can uniformly disperse the fine particles of the heat ray shielding component in the resin.
- a method in which the above-mentioned fine particles are directly added to the resin and uniformly melt-mixed can be used.
- a method of preparing an additive liquid in which fine particles of a heat ray shielding component are dispersed in a solvent and forming a resin sheet using a molding composition obtained by mixing the additive liquid with a resin or a resin raw material is simple and preferable. .
- the hexaboride fine particles used as a heat ray shielding component lanthanum hexaboride (L a B 6), 6 cerium boride (C e B 6), hexaboride Purase Ojimu (P r B 6), hexaboride of neodymium (N d B 6), 6 boride Gadori two ⁇ beam (G d B 6), 6 terbium boride (T b B 6), 6 boride Disupu port Shiumu (D y B 6), 6 boride holmium (H o B 6), 6 boride Germany thorium (YB 6), 6 samarium boride (SmB 6), 6 boride EUR Piumu (E u B 6), 6 erbium boride (E r B 6), hexaboride Rriu arm (TmB 6), 6 ytterbium boride (Y b B 6), 6 boride Rutechi
- the surface of the hexaboride fine particles used is not oxidized, but usually the surface is often slightly oxidized, and that the surface is not oxidized in the fine particle dispersion process to some extent.
- the effectiveness of exhibiting the heat ray shielding effect remains unchanged.
- the higher the integrity of the boride particles the greater the heat ray shielding effect is obtained.
- Bond is composed of the bond between each metal and boron If it is used, it can exhibit the heat ray shielding effect.
- hexaboride fine particles are powders colored in gray black, brown black, green black, etc., but when dispersed in a resin sheet with a particle size sufficiently smaller than the wavelength of visible light, a sufficiently high red color is obtained. Visible light transmittance is obtained in the resin sheet while keeping the external light shielding property.
- the reason for this is not understood in detail, the amount of free electrons in these fine particles is large, and the absorption energy of the indirect transition between the bands inside the fine particles and by the free electrons on the surface changes from the visible light region to the near infrared light. Since it is near the region, it is considered that heat rays in this wavelength region are selectively reflected and absorbed.
- the transmittance has a maximum value between a wavelength of 400 nm to 700 nm and a wavelength of 700 nm to 180 nm. It is observed that there is a local minimum between 0 nm and that the difference between the local maximum and local minimum of these transmittances is 15 points or more. Considering that the wavelength of visible light is 380 nm to 780 nm and the luminosity is bell-shaped with a peak around 550 nm, the resin sheet in which hexaboride fine particles are dispersed is visible. It can be seen that it effectively transmits light and reflects and absorbs other heat rays effectively.
- ITO fine particles and ATO fine particles used in combination with hexaboride fine particles hardly absorb or reflect light in the visible light region, and have large reflection and absorption derived from plasma resonance in the region of l OOO nm or more.
- the transmittance decreases toward the longer wavelength side in the near infrared region.
- the transmission profile of hexaboride has a minimum value near 100 nm as described above, and the transmittance gradually increases at longer wavelengths. Therefore, by using hexaboride in combination with ITO or AT ⁇ , it is possible to block heat rays in the near-infrared region without reducing the visible light transmittance. Heat shielding properties than Is improved.
- the average particle size of the hexaboride fine particles used is preferably 200 nm or less. If the average particle size is larger than 20 O nm, the fine particles will aggregate in the dispersion liquid and cause sedimentation of the fine particles.In addition, the resin sheet will become a light scattering source in the resin, making the resin sheet appear cloudy. Because it becomes.
- the average particle size of the ITO fine particles and the ATO fine particles is preferably 20 Onm or less for the same reason as described above. In some cases, translucent roofing materials require more opaque light transmissivity than transparency. In such a case, it is desirable to increase the particle size to promote scattering. If the particle size is too large, the infrared absorption capacity itself is attenuated, so that the average particle size is preferably 200 nm or less.
- Hexaboride particles have a very high heat-ray shielding capacity per unit weight, and exhibit the same effect when used in less than one-third of the amount used for IT ⁇ particles or AT ⁇ particles. Therefore, by using hexaboride fine particles, a favorable heat ray shielding effect can be obtained even in a small amount, and when used together with ITO fine particles or ATO fine particles, these fine particles can be reduced to reduce the cost. It becomes. Further, since the amount of all the fine particles used can be significantly reduced, it is possible to prevent a decrease in the physical properties of the resin as a base material, particularly, the impact resistance and the toughness.
- the absorption in the visible light region can be freely controlled, and the brightness can be adjusted. It can also be applied to privacy protection.
- the heat ray shielding performance is determined by the content of the heat ray shielding component per unit area of the sheet, but the content of the heat ray shielding component with respect to the resin depends on the required optical characteristics and the strength characteristics of the resin sheet material. It is necessary to determine. For example, even if the content of the heat ray shielding component satisfies the optical characteristics, as the resin sheet material becomes thinner, the abrasion strength / impact resistance decreases. In addition, resin There is a possibility that the heat ray shielding component is raised on the surface of the material and the appearance is impaired.
- the content of the heat ray shielding component is a resin sheet lm 2 per 0.
- the thicker the resin sheet material the more the heat ray shielding component can be contained.However, if the thickness of the resin sheet material is about 3 to 5 mm, the content of the heat ray shielding component is reduced. When it exceeds 19 g / m 2 , there is a possibility that the visible light transmittance is reduced.
- the ratio is 0.1: 9.9.9 by weight ratio of hexaboride fine particles: (ITO fine particles and / or AT fine particles).
- ⁇ 90: A range of 10 is desirable. If the amount of hexaboride fine particles is less than this range, the amount of use of all fine particles cannot be reduced so much that the cost reduction effect is reduced and the heat ray shielding properties are deteriorated. When the amount of hexaboride fine particles is larger than this range, the addition effect of 1-catch-catch-c0 is so small as to be negligible. In the case of the same optical characteristics, as the content of the hexaboride fine particles is increased, the use amount of the ITO fine particles and the ATO fine particles can be reduced, and the cost reduction effect increases.
- the method for dispersing the heat ray shielding component in the resin is not particularly limited as long as the method can uniformly disperse the fine particles in the resin, but a method using an additive liquid in which the fine particles are dispersed in an arbitrary solvent is preferable. Specifically, for example, using a method such as a bead mill, a pole mill, a sand mill, and ultrasonic dispersion, the above-mentioned fine particles are dispersed in an arbitrary solvent to obtain an additive liquid for manufacturing a heat ray shielding resin sheet.
- the dispersing solvent used for the additive liquid for manufacturing the heat ray shielding resin sheet material is not particularly limited, and can be selected according to the resin to be mixed, the conditions for forming the resin sheet material, and the like. Organic solvents can be used. Further, the pH may be adjusted by adding an acid or an alkali as needed. Change In order to further improve the dispersion stability of the fine particles in the resin, various surfactants, coupling agents, and the like can be added as a dispersant.
- the additive solution is added to a resin serving as a base material, and a repump blender, an evening bra, a nowaichi mixer, Henschel Use a mixer, a super mixer, a planetary mixer, etc., and a mixer that uniformly melts and mixes with a kneader such as a Banbury mixer, 21 dagger, roll, 21 dru ruder, single screw extruder, and twin screw extruder.
- a kneader such as a Banbury mixer, 21 dagger, roll, 21 dru ruder, single screw extruder, and twin screw extruder.
- the additive liquid is added to the divalent phenols as a raw material of the resin, and the mixture is uniformly mixed by a known method.
- a mixture in which fine particles are uniformly dispersed in a resin can be prepared.
- an additive liquid is added to methyl methacrylate, ethyl methacrylate, propyl methacrylate, butyl methacrylate, or the like, which is a raw material of the acryl resin, and the mixture is similarly mixed uniformly by a known method and suspended.
- polymerization by a known method such as polymerization or bulk polymerization, a mixture in which fine particles are uniformly dispersed in acryl resin can be adjusted.
- a method in which the solvent of the additive liquid is removed by a known method, the obtained powder is added to the resin, and the mixture is uniformly melted and mixed, can also be used to prepare a mixture in which fine particles are uniformly dispersed in the resin. it can.
- the resin sheet material of the present invention is obtained by molding a mixture in which fine particles are uniformly dispersed in a resin as described above into a flat or curved surface by a known molding method such as injection molding, extrusion molding, or compression molding. Can be produced by Also, after a mixture in which fine particles are uniformly dispersed in a resin is once pelletized by a granulator, a resin sheet material can be produced in the same manner. still, The thickness of the resin sheet material can be adjusted to any thickness from thick plate to thin film as needed.
- a heat ray shielding film or an ultraviolet absorbing film may be further formed on the surface of the resin sheet material.
- a coating liquid in which hexaboride fine particles, ITO fine particles, or ATO fine particles are dispersed in various binders may be applied on a resin sheet material, and a heat ray shielding film may be further formed on the surface.
- a coating solution in which a benzotriazole-based or benzophenone-based ultraviolet absorber is dissolved in various binders is applied to the resin sheet material, and cured to form an ultraviolet absorbing film. By forming this ultraviolet absorbing film, it is possible to improve the weather resistance of the resin sheet material.
- the polycarbonate resin serving as the base material of the resin sheet material is obtained by reacting a divalent phenol with a carbonate-based precursor by a solution method or a melting method.
- the divalent phenol include 2,2-bis (4-hydroxyphenyl) propane [bisphenol A:], 1,1-bis (4-hydroxyphenyl) ethane, and 1,1-bis (4-hydroxyphenyl) Nil) cyclohexane, 2,2-bis (4-hydroxy-3,5-dimethylthiphenyl) propane, 2,2-bis (4-hydroxy-1,3,5-diphenyl mophenyl) propane, 2, 2—
- Representative examples include bis (4-hydroxy-13-methylphenyl) propane, bis (4-hydroxyphenyl) sulfide, and bis (4-hydroxyphenyl) sulfone.
- a preferred divalent phenol is a bis (4-hydroxyphenyl) alkane-based compound, and in particular, a compound containing bisphenol A as a main component is preferable.
- acrylic resin methyl methacrylate, ethyl methacrylate, propyl methacrylate, and butyl methacrylate are used as main raw materials, and if necessary, acrylates having 1 to 8 carbon atoms, acrylates, biel acetate, and styrene. , Acrylonitrile, methacrylonitrile, etc. Is used as the copolymer component. Further, an acryl resin polymerized in multiple stages can be used.
- hexaboride fine particles having strong absorption in the near-infrared region as a heat ray shielding component are uniformly dispersed in a resin and formed into a sheet, which enables a high-cost physical film formation method and complicated bonding. It is possible to provide a heat ray shielding resin sheet material having a heat ray shielding function and having high transmission performance in a visible light region without using a step.
- the heat-shielding resin sheet material in which hexaboride fine particles are dispersed in a resin in combination with ATO fine particles and IT0 fine particles as a heat-ray shielding component has a higher heat-ray shielding property than the case where each fine particle is used alone.
- hexaboride fine particles have a low water resistance, and therefore have the disadvantage that they are deteriorated by the influence of moisture and their optical characteristics are changed, but the resin sheet material in which hexaboride fine particles of the present invention are dispersed in a resin Can block hexaboride fine particles from coming into contact with water and prevent changes in optical properties.
- Example 1 In the same manner as in Example 1, except that Solution A1 was not used, but Solution 81 or Solution 1 was mixed with the polycarbonate resin so as to have the composition shown in Samples 11 and 12 in Table 1 below. Then, a heat ray shielding polycarbonate sheet material (samples 11 to 12) in which ITO or ATO fine particles were uniformly dispersed throughout was obtained. The evaluation results of these heat ray shielding polycarbonate sheet materials in the same manner as in Example 1 are also shown in Table 1 below.
- Example 1 sample 2 of the heat ray shielding poly Capo sulfonate sheet material L a B 6 and ITO combination
- a coating solution was prepared by mixing 2% by weight of a benzotriazole-based ultraviolet absorber (manufactured by Ciba Specialty Co., trade name: Tinuvin 384), 10 parts by weight of an acrylic resin, and 88 parts by weight of toluene. Apply 15 g of this coating solution to sample 2 using a spin coater. And heated in an electric furnace at 100 ° C. for 30 minutes to form an ultraviolet absorbing film.
- a benzotriazole-based ultraviolet absorber manufactured by Ciba Specialty Co., trade name: Tinuvin 384
- Example 13 The obtained heat ray shielding polycarbonate sheet material with a UV absorbing film (sample 13) was also evaluated in the same manner as in Example 1, and the results are shown in Table 1 below.
- Table 2 shows the results of the evaluation of each of the heat ray shielding polycarbonate sheet materials of Samples 15 to 21 obtained in the same manner as in Example 1. [Table 2]
- L a ⁇ 6 fine particles of heat ray shielding component Ce B 6 fine particles, Pr B 6 fine particles, Nd B 6 fine particles, Gd B 6 fine particles, YB 6 fine particles, SmB 6 fine particles, Eu B 6 fine particles, etc. It can be seen that even when the hexaboride fine particles are used, excellent visible light transmittance and heat ray shielding effect can be obtained.
- the average particle diameter of 6 7 nm of L a B 6 fine .2 0 g, toluene 7 0 g, water and an appropriate amount of dispersant were mixed, and mixed 1 0 0 hour ball mill using Jirukoniaboru diameter 4 mm, 100 g of an additive solution (A2 solution) was prepared. Also, 20 g of fine particles having an average particle size of 80 nm, 70 g of toluene, 70 g of water, and an appropriate amount of a dispersant are mixed, and the mixture is similarly ball-milled. Was prepared.
- this heat ray shielding acryl sheet material On the surface of this heat ray shielding acryl sheet material, 2 parts by weight of a benzotriazole-based ultraviolet absorber (trade name: Tinuvin 384, manufactured by Ciba Specialty Co.) were mixed with 10 parts by weight of acryl resin and 88 parts by weight of toluene. Coating solution 15 g was applied all at once over a spinco, placed in an electric furnace at 100 ° C. and heated for 30 minutes to form an ultraviolet absorbing film.
- a benzotriazole-based ultraviolet absorber trade name: Tinuvin 384, manufactured by Ciba Specialty Co.
- Example 34 The obtained heat ray shielding poly-carbonate sheet material with an ultraviolet absorbing film (sample 34) was evaluated in the same manner as in Example 5, and the results are shown in Table 3 below.
- Example 35 In the same manner as in Example 5, the A2 liquid, the C2 liquid, and the acrylic resin were mixed so as to have the composition shown in Sample 35 in Table 3 below, and the heat-ray shielding fine particles were uniformly dispersed throughout. An acrylic sheet material (sample 35) was obtained.
- the sheet material of the specimen 2 3 added 2.0 triple amount% of the total particles in the film the L a B 6 microparticles
- the solar transmittance was reduced by about 3 points as compared with the sample 32 of the comparative example, and the amount of ITO added was reduced to less than half.
- a water resistance test was performed on the heat ray shielding acryl sheet material of Sample 25 of Example 5 above. That is, after immersing the sheet material of Sample 25 in water for 10 days, the optical characteristics were measured again in the same manner as in Example 1. The visible light transmittance was 78% and the solar transmittance was 56.9. %, And no change in optical characteristics was observed.
- the E u B 6 particles were produced each additive liquid as described above.
- These additive solutions are mixed with the acrylic resin and, if necessary, the B2 solution or the C2 solution so as to have the composition shown in Samples 37 to 42 in Table 4 below.
- a heat-shielding acryl sheet material (samples 37 to 42) dispersed in the sample was prepared.
- Table 4 below shows the evaluation results of the heat ray shielding acrylic sheet materials of the obtained samples 36 to 42 in the same manner as in Example 5.
- the heat ray shielding polycarbonate sheet material of Sample 10 in Example 1 above The heat ray shielding poly-carbonate sheet material of Sample 14 having an excessive amount of heat ray shielding component, and the polycarbonate sheet containing no heat ray shielding component.
- the Izod impact strength of each sample (Sample 43) was measured according to ASTM D-256 (with Izod notch). The results obtained are shown in Table 5 below.
- the heat ray shielding polycarbonate sheet material of Sample 10 of the present invention has the same impact resistance as the polycarbonate sheet material containing no heat ray shielding component of Sample 43.
- the heat-shielding polycarbonate sheet material of Sample 14 which was a comparative example and had an excessive amount of heat-ray shielding components, had significantly reduced impact resistance as compared with Samples 10 and 43 described above.
- the present invention it is possible to produce hexaboride fine particles uniformly in a resin by a simple method without using a high-cost physical film forming method and a complicated bonding step, and to obtain a high heat ray shielding. It is possible to provide a heat ray shielding resin sheet material having not only a function but also an excellent transmission performance in a visible light region. Moreover, since the heat ray shielding resin sheet material has hexaboride fine particles dispersed and encapsulated in the resin, the contact between hexaboride fine particles and water is blocked, and the heat resistance is excellent. I have.
- hexaboride fine particles having a strong absorption in the near infrared region by using hexaboride fine particles having a strong absorption in the near infrared region, a high heat ray shielding effect can be obtained with a small amount of heat ray shielding component, and even when used in combination with ATO fine particles or ITO fine particles, the amount used can be reduced. And material costs can be reduced. Furthermore, since the total amount of fine particles of the heat ray shielding component can be greatly reduced, the physical properties of the resin as the base material, particularly the impact strength and the toughness are low.
- the heat ray shielding resin sheet of the present invention when the heat ray shielding resin sheet of the present invention is applied to an opening such as a window of a building or an automobile, it is possible to shield solar energy entering from the opening, so that the cooling load and the heat and heat of a person This is very effective in terms of energy saving.
Description
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Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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DE10392543T DE10392543T5 (de) | 2002-05-13 | 2003-05-07 | Harzfolie für die Abschirmung von Wärmewellen und flüssiges Additiv zu ihrer Herstellung |
AU2003235856A AU2003235856B2 (en) | 2002-05-13 | 2003-05-07 | Heat ray shielding sheet material and liquid additive for use in producing the same |
KR20047015670A KR100644012B1 (ko) | 2002-05-13 | 2003-05-07 | 열선 차폐 수지 시트재 및 이의 제조방법 |
US10/480,940 US9074071B2 (en) | 2002-05-13 | 2003-05-07 | Heat ray shielding sheet material and liquid additive for use in producing the same |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2002136457A JP4187999B2 (ja) | 2002-05-13 | 2002-05-13 | 熱線遮蔽樹脂シート材及びその製造方法 |
JP2002-136457 | 2002-05-13 |
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WO2003095561A1 true WO2003095561A1 (fr) | 2003-11-20 |
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PCT/JP2003/005673 WO2003095561A1 (fr) | 2002-05-13 | 2003-05-07 | Materiau en feuille de protection contre les rayons thermiques et additif liquide utilise pour produire celui-ci |
Country Status (8)
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US (1) | US9074071B2 (ja) |
JP (1) | JP4187999B2 (ja) |
KR (1) | KR100644012B1 (ja) |
CN (1) | CN1329451C (ja) |
AU (1) | AU2003235856B2 (ja) |
DE (1) | DE10392543T5 (ja) |
IN (1) | IN2004DE02187A (ja) |
WO (1) | WO2003095561A1 (ja) |
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Also Published As
Publication number | Publication date |
---|---|
AU2003235856B2 (en) | 2009-01-29 |
AU2003235856A1 (en) | 2003-11-11 |
JP2003327717A (ja) | 2003-11-19 |
CN1639265A (zh) | 2005-07-13 |
CN1329451C (zh) | 2007-08-01 |
DE10392543T5 (de) | 2005-04-07 |
KR100644012B1 (ko) | 2006-11-10 |
US9074071B2 (en) | 2015-07-07 |
IN2004DE02187A (ja) | 2007-04-06 |
JP4187999B2 (ja) | 2008-11-26 |
KR20050006137A (ko) | 2005-01-15 |
US20040131845A1 (en) | 2004-07-08 |
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